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Blake Ross is known best for his look with Facebook.
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Working smart is not enough if people want to be successful in their career.
Task 2Fill in the correct prepositions 介词 to complete the following sentences.1._________ every case they work smart and work extremely hard.2. Moved to tears, he resolved to plunge________ the new battles.3. The teacher is looking ___________ the students’ homework.4. She is obsessed ______________ the fear of unemployment.5. ____________ a certain extent his ideas are valuable.6. Science has brought __________ many changes in our lives.
过堰水流方向与泄槽轴线方向一致的河岸溢洪道称为 ()。
正槽式溢洪道泄槽底坡一般设计成()。
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